tzoleipzig.de
Issued by R3
About this certificate
This digital certificate with serial number 04:7d:f4:12:9d:ea:bc:16:40:1f:c7:0d:24:64:96:10:a1:98 was issued on by Let's Encrypt.
This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
- Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
- Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)
Certificate Subject
CN=tzoleipzig.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:7d:f4:12:9d:ea:bc:16:40:1f:c7:0d:24:64:96:10:a1:98Serial Number (int): 391308867887409175501985469492458811335064
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 8e:eb:4d:29:74:ca:ec:21:7f:7e:9e:eb:3b:70:21:f1:74:bf:e9:f9
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 04:a3:8d:e6:a2:75:bd:62:6e:37:92:1f:d0:a6:c8:b6:12:eb:90:75
Fingerprint (sha256): 5f:44:d7:55:00:48:e6:2a:f4:0e:73:11:e3:a6:f5:42:ef:47:5c:26:cf:4a:49:08:ab:cf:99:49:e8:99:d2:bd
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate tzoleipzig.de
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for tzoleipzig.de
Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
tzoleipzig.de
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tzoleipzig.de
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tzoleipzig.isp-vhost04.domservice.de
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tzoleipzig.de
Certificate
The complete raw certificate details for tzoleipzig.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE5zCCA8+gAwIBAgISBH30Ep3qvBZAH8cNJGSWEKGYMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzEyMjMyMjU0MzJaFw0yNDAzMjIyMjU0MzFaMBgxFjAUBgNVBAMT DXR6b2xlaXB6aWcuZGUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDh e54U5yRtyGphRxrvksNQ/UAfus3pKEDPlkDtN0nA1EUJSddvG02iu2nd6q0Pj8zj Prg4223KUaDKZ1Jra4DplYUsXDKs+IE7Aj3KUUr5gy+Bz6Hb9W0mkDkPqBeFpHUr +hoVFwghQFtl0+oR9vAJpgXh+cijDC9IJY9pyXQupRYr2kJA43gJaTo7tL1AZ7Ol IRXubkGfeyLmpYJCjAxv3/mA6uNHrzPNSP3tPPWLyt3sqROxLiA0QRHVNYbRy9SE HtFSfwIROB4MWg+gV4PaGfM3FJIWGYiuKxKdlqpjbrjIydwRkoasL1g5gn0K1a0L 3pugYuqBbnC3FmBIGJSLAgMBAAGjggIPMIICCzAOBgNVHQ8BAf8EBAMCBaAwHQYD VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0O BBYEFI7rTSl0yuwhf36e6ztwIfF0v+n5MB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJ QOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3Iz Lm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcv MBgGA1UdEQQRMA+CDXR6b2xlaXB6aWcuZGUwEwYDVR0gBAwwCjAIBgZngQwBAgEw ggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdgA7U3d1Pi25gE6LMFsG/kA7Z9hPw/TH vQANLXJv4frUFwAAAYyZGhWBAAAEAwBHMEUCIHg55T0Pmk3AZh8PAmkDLnRD3NMt 5QrkDsGt4Rjbw2pEAiEAzSXMWJdVAi16HgeMg8LhOqrO4OcRI3/tO48BxrP5MBQA dgCi4r/WHt4vLweg1k5tN6fcZUOwxrUuotq3iviabfUX2AAAAYyZGhWHAAAEAwBH MEUCIQDSAiQS6CQ59kNJnw6TxbKLZDZhKRtblDGWzi4CnZroZAIgDRR7dXKX1yEw NRXgdJnOKcn1vf0UCroaWD5SMzuDJHgwDQYJKoZIhvcNAQELBQADggEBAFxOCcGD 4gzyHTWvGyniEkG19e5zsESI51g4j7guDjy9Oy/PJvRORhaLZsuEDOhS7cRvJokq zeUnBeINzjMEYwmV0X159KR2aNc4W1+ujYsOWXgVoF2oqalBLMbbWETqjTI9xbnD EGFk6t6JA7jvOtAugZ1guAndger941+e1ZCrom0T+nBogu0zfxakDPrBacL1byoN HPPNskyY3lGhi7FQ44npAcxpd8C4B5hORGSQM7rbAph3L3UzLoiVf+QLKILHR8Of RWocZkjAzhxi5NGA8A7giGwKju5Q7rJovz8qjj7/P0nPlBlqtz1UhE2M2fXwFowW nb5TejGXSJHBRrk= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4XueFOckbchqYUca75LD UP1AH7rN6ShAz5ZA7TdJwNRFCUnXbxtNortp3eqtD4/M4z64ONttylGgymdSa2uA 6ZWFLFwyrPiBOwI9ylFK+YMvgc+h2/VtJpA5D6gXhaR1K/oaFRcIIUBbZdPqEfbw CaYF4fnIowwvSCWPacl0LqUWK9pCQON4CWk6O7S9QGezpSEV7m5Bn3si5qWCQowM b9/5gOrjR68zzUj97Tz1i8rd7KkTsS4gNEER1TWG0cvUhB7RUn8CETgeDFoPoFeD 2hnzNxSSFhmIrisSnZaqY264yMncEZKGrC9YOYJ9CtWtC96boGLqgW5wtxZgSBiU iwIDAQAB -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 391308867887409175501985469492458811335064 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-23 22:54:32 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-22 22:54:31 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'tzoleipzig.de' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 28464576681733305038776606908905516699761352997091738537933749623791710720136128813419935794088490264347561281324608201503552757664372578359754098855614555573637130118058458341565219711478862154113708885141884354158219423301193957889437556026825119154920193553657192195687919541583595603500709316740373835144023225798264479095801351955739779633061391691580125030523245679246232387417480660510102370740932969683361773305686577622375927286846389660549111659516229982897870484010974318556291347113069856377240310629259157498522835593887334179412000083702723288090164717471362187526290844142698996244881819917806281987211 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 8eeb4d2974caec217f7e9eeb3b7021f174bfe9f9 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (17 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tzoleipzig.de' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c991a1581000004030047304502207839e53d0f9a4dc0661f0f0269032e7443dcd32de50ae40ec1ade118dbc36a44022100cd25cc589755022d7a1e078c83c2e13aaacee0e711237fed3b8f01c6b3f93014007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018c991a15870000040300473045022100d2022412e82439f643499f0e93c5b28b643661291b5b943196ce2e029d9ae86402200d147b757297d721303515e07499ce29c9f5bdfd140aba1a583e52333b832478 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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